1 files changed, 162 insertions, 188 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index fdbd0ef2be4b..3558cb210747 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -76,10 +76,10 @@ static inline void rt2500usb_register_multiread(struct rt2x00_dev *rt2x00dev,
 						const unsigned int offset,
 						void *value, const u16 length)
 {
-	int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
 	rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_READ,
 				      USB_VENDOR_REQUEST_IN, offset,
-				      value, length, timeout);
+				      value, length,
+				      REGISTER_TIMEOUT16(length));
 }
 
 static inline void rt2500usb_register_write(struct rt2x00_dev *rt2x00dev,
@@ -106,10 +106,10 @@ static inline void rt2500usb_register_multiwrite(struct rt2x00_dev *rt2x00dev,
 						 const unsigned int offset,
 						 void *value, const u16 length)
 {
-	int timeout = REGISTER_TIMEOUT * (length / sizeof(u16));
 	rt2x00usb_vendor_request_buff(rt2x00dev, USB_MULTI_WRITE,
 				      USB_VENDOR_REQUEST_OUT, offset,
-				      value, length, timeout);
+				      value, length,
+				      REGISTER_TIMEOUT16(length));
 }
 
 static u16 rt2500usb_bbp_check(struct rt2x00_dev *rt2x00dev)
@@ -138,11 +138,8 @@ static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt2500usb_bbp_check(rt2x00dev);
-	if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
-		ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
-		mutex_unlock(&rt2x00dev->usb_cache_mutex);
-		return;
-	}
+	if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
+		goto exit_fail;
 
 	/*
 	 * Write the data into the BBP.
@@ -155,6 +152,13 @@ static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev,
 	rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg);
 
 	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+
+	return;
+
+exit_fail:
+	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+
+	ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n");
 }
 
 static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
@@ -168,10 +172,8 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt2500usb_bbp_check(rt2x00dev);
-	if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
-		ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
-		return;
-	}
+	if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
+		goto exit_fail;
 
 	/*
 	 * Write the request into the BBP.
@@ -186,17 +188,21 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev,
 	 * Wait until the BBP becomes ready.
 	 */
 	reg = rt2500usb_bbp_check(rt2x00dev);
-	if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) {
-		ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
-		*value = 0xff;
-		mutex_unlock(&rt2x00dev->usb_cache_mutex);
-		return;
-	}
+	if (rt2x00_get_field16(reg, PHY_CSR8_BUSY))
+		goto exit_fail;
 
 	rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, &reg);
 	*value = rt2x00_get_field16(reg, PHY_CSR7_DATA);
 
 	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+
+	return;
+
+exit_fail:
+	mutex_unlock(&rt2x00dev->usb_cache_mutex);
+
+	ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n");
+	*value = 0xff;
 }
 
 static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev,
@@ -316,6 +322,17 @@ static int rt2500usb_blink_set(struct led_classdev *led_cdev,
 
 	return 0;
 }
+
+static void rt2500usb_init_led(struct rt2x00_dev *rt2x00dev,
+			       struct rt2x00_led *led,
+			       enum led_type type)
+{
+	led->rt2x00dev = rt2x00dev;
+	led->type = type;
+	led->led_dev.brightness_set = rt2500usb_brightness_set;
+	led->led_dev.blink_set = rt2500usb_blink_set;
+	led->flags = LED_INITIALIZED;
+}
 #endif /* CONFIG_RT2500USB_LEDS */
 
 /*
@@ -795,6 +812,13 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
 	rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 
+	rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+	rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
+	rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
+	rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
+	rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
+	rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
+
 	rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
 	rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
 
@@ -847,25 +871,32 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	return 0;
 }
 
-static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
+static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev)
 {
 	unsigned int i;
-	u16 eeprom;
 	u8 value;
-	u8 reg_id;
 
 	for (i = 0; i < REGISTER_BUSY_COUNT; i++) {
 		rt2500usb_bbp_read(rt2x00dev, 0, &value);
 		if ((value != 0xff) && (value != 0x00))
-			goto continue_csr_init;
-		NOTICE(rt2x00dev, "Waiting for BBP register.\n");
+			return 0;
 		udelay(REGISTER_BUSY_DELAY);
 	}
 
 	ERROR(rt2x00dev, "BBP register access failed, aborting.\n");
 	return -EACCES;
+}
+
+static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev)
+{
+	unsigned int i;
+	u16 eeprom;
+	u8 value;
+	u8 reg_id;
+
+	if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev)))
+		return -EACCES;
 
-continue_csr_init:
 	rt2500usb_bbp_write(rt2x00dev, 3, 0x02);
 	rt2500usb_bbp_write(rt2x00dev, 4, 0x19);
 	rt2500usb_bbp_write(rt2x00dev, 14, 0x1c);
@@ -921,7 +952,8 @@ static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev,
 
 	rt2500usb_register_read(rt2x00dev, TXRX_CSR2, &reg);
 	rt2x00_set_field16(&reg, TXRX_CSR2_DISABLE_RX,
-			   state == STATE_RADIO_RX_OFF);
+			   (state == STATE_RADIO_RX_OFF) ||
+			   (state == STATE_RADIO_RX_OFF_LINK));
 	rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg);
 }
 
@@ -930,11 +962,9 @@ static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev)
 	/*
 	 * Initialize all registers.
 	 */
-	if (rt2500usb_init_registers(rt2x00dev) ||
-	    rt2500usb_init_bbp(rt2x00dev)) {
-		ERROR(rt2x00dev, "Register initialization failed.\n");
+	if (unlikely(rt2500usb_init_registers(rt2x00dev) ||
+		     rt2500usb_init_bbp(rt2x00dev)))
 		return -EIO;
-	}
 
 	return 0;
 }
@@ -987,10 +1017,6 @@ static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev,
 		msleep(30);
 	}
 
-	NOTICE(rt2x00dev, "Device failed to enter state %d, "
-	       "current device state: bbp %d and rf %d.\n",
-	       state, bbp_state, rf_state);
-
 	return -EBUSY;
 }
 
@@ -1008,11 +1034,13 @@ static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 		break;
 	case STATE_RADIO_RX_ON:
 	case STATE_RADIO_RX_ON_LINK:
-		rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON);
-		break;
 	case STATE_RADIO_RX_OFF:
 	case STATE_RADIO_RX_OFF_LINK:
-		rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF);
+		rt2500usb_toggle_rx(rt2x00dev, state);
+		break;
+	case STATE_RADIO_IRQ_ON:
+	case STATE_RADIO_IRQ_OFF:
+		/* No support, but no error either */
 		break;
 	case STATE_DEEP_SLEEP:
 	case STATE_SLEEP:
@@ -1025,6 +1053,10 @@ static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
 		break;
 	}
 
+	if (unlikely(retval))
+		ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n",
+		      state, retval);
+
 	return retval;
 }
 
@@ -1033,8 +1065,7 @@ static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev,
  */
 static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 				    struct sk_buff *skb,
-				    struct txentry_desc *txdesc,
-				    struct ieee80211_tx_control *control)
+				    struct txentry_desc *txdesc)
 {
 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(skb);
 	__le32 *txd = skbdesc->desc;
@@ -1058,7 +1089,7 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_desc_write(txd, 2, word);
 
 	rt2x00_desc_read(txd, 0, &word);
-	rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, control->retry_limit);
+	rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit);
 	rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
 			   test_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags));
 	rt2x00_set_field32(&word, TXD_W0_ACK,
@@ -1068,13 +1099,73 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	rt2x00_set_field32(&word, TXD_W0_OFDM,
 			   test_bit(ENTRY_TXD_OFDM_RATE, &txdesc->flags));
 	rt2x00_set_field32(&word, TXD_W0_NEW_SEQ,
-			   !!(control->flags & IEEE80211_TXCTL_FIRST_FRAGMENT));
+			   test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
 	rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
-	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len);
+	rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT,
+			   skb->len - skbdesc->desc_len);
 	rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
 	rt2x00_desc_write(txd, 0, word);
 }
 
+/*
+ * TX data initialization
+ */
+static void rt2500usb_beacondone(struct urb *urb);
+
+static void rt2500usb_write_beacon(struct queue_entry *entry)
+{
+	struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
+	struct usb_device *usb_dev = to_usb_device_intf(rt2x00dev->dev);
+	struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
+	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
+	int pipe = usb_sndbulkpipe(usb_dev, 1);
+	int length;
+	u16 reg;
+
+	/*
+	 * Add the descriptor in front of the skb.
+	 */
+	skb_push(entry->skb, entry->queue->desc_size);
+	memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len);
+	skbdesc->desc = entry->skb->data;
+
+	/*
+	 * Disable beaconing while we are reloading the beacon data,
+	 * otherwise we might be sending out invalid data.
+	 */
+	rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+	rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
+	rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
+	rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
+	rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
+
+	/*
+	 * USB devices cannot blindly pass the skb->len as the
+	 * length of the data to usb_fill_bulk_urb. Pass the skb
+	 * to the driver to determine what the length should be.
+	 */
+	length = rt2x00dev->ops->lib->get_tx_data_len(rt2x00dev, entry->skb);
+
+	usb_fill_bulk_urb(bcn_priv->urb, usb_dev, pipe,
+			  entry->skb->data, length, rt2500usb_beacondone,
+			  entry);
+
+	/*
+	 * Second we need to create the guardian byte.
+	 * We only need a single byte, so lets recycle
+	 * the 'flags' field we are not using for beacons.
+	 */
+	bcn_priv->guardian_data = 0;
+	usb_fill_bulk_urb(bcn_priv->guardian_urb, usb_dev, pipe,
+			  &bcn_priv->guardian_data, 1, rt2500usb_beacondone,
+			  entry);
+
+	/*
+	 * Send out the guardian byte.
+	 */
+	usb_submit_urb(bcn_priv->guardian_urb, GFP_ATOMIC);
+}
+
 static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
 				     struct sk_buff *skb)
 {
@@ -1090,16 +1181,15 @@ static int rt2500usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
 	return length;
 }
 
-/*
- * TX data initialization
- */
 static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
-				    const unsigned int queue)
+				    const enum data_queue_qid queue)
 {
 	u16 reg;
 
-	if (queue != RT2X00_BCN_QUEUE_BEACON)
+	if (queue != QID_BEACON) {
+		rt2x00usb_kick_tx_queue(rt2x00dev, queue);
 		return;
+	}
 
 	rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
 	if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) {
@@ -1125,30 +1215,28 @@ static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
 static void rt2500usb_fill_rxdone(struct queue_entry *entry,
 				  struct rxdone_entry_desc *rxdesc)
 {
-	struct queue_entry_priv_usb_rx *priv_rx = entry->priv_data;
+	struct queue_entry_priv_usb *entry_priv = entry->priv_data;
 	struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
 	__le32 *rxd =
 	    (__le32 *)(entry->skb->data +
-		       (priv_rx->urb->actual_length - entry->queue->desc_size));
-	unsigned int offset = entry->queue->desc_size + 2;
+		       (entry_priv->urb->actual_length -
+			entry->queue->desc_size));
 	u32 word0;
 	u32 word1;
 
 	/*
-	 * Copy descriptor to the available headroom inside the skbuffer.
+	 * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of
+	 * frame data in rt2x00usb.
 	 */
-	skb_push(entry->skb, offset);
-	memcpy(entry->skb->data, rxd, entry->queue->desc_size);
-	rxd = (__le32 *)entry->skb->data;
+	memcpy(skbdesc->desc, rxd, skbdesc->desc_len);
+	rxd = (__le32 *)skbdesc->desc;
 
 	/*
-	 * The descriptor is now aligned to 4 bytes and thus it is
-	 * now safe to read it on all architectures.
+	 * It is now safe to read the descriptor on all architectures.
 	 */
 	rt2x00_desc_read(rxd, 0, &word0);
 	rt2x00_desc_read(rxd, 1, &word1);
 
-	rxdesc->flags = 0;
 	if (rt2x00_get_field32(word0, RXD_W0_CRC_ERROR))
 		rxdesc->flags |= RX_FLAG_FAILED_FCS_CRC;
 	if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
@@ -1165,7 +1253,6 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry,
 	    entry->queue->rt2x00dev->rssi_offset;
 	rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
 
-	rxdesc->dev_flags = 0;
 	if (rt2x00_get_field32(word0, RXD_W0_OFDM))
 		rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
 	if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
@@ -1174,16 +1261,7 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry,
 	/*
 	 * Adjust the skb memory window to the frame boundaries.
 	 */
-	skb_pull(entry->skb, offset);
 	skb_trim(entry->skb, rxdesc->size);
-
-	/*
-	 * Set descriptor and data pointer.
-	 */
-	skbdesc->data = entry->skb->data;
-	skbdesc->data_len = rxdesc->size;
-	skbdesc->desc = rxd;
-	skbdesc->desc_len = entry->queue->desc_size;
 }
 
 /*
@@ -1192,7 +1270,7 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry,
 static void rt2500usb_beacondone(struct urb *urb)
 {
 	struct queue_entry *entry = (struct queue_entry *)urb->context;
-	struct queue_entry_priv_usb_bcn *priv_bcn = entry->priv_data;
+	struct queue_entry_priv_usb_bcn *bcn_priv = entry->priv_data;
 
 	if (!test_bit(DEVICE_ENABLED_RADIO, &entry->queue->rt2x00dev->flags))
 		return;
@@ -1203,9 +1281,9 @@ static void rt2500usb_beacondone(struct urb *urb)
 	 * Otherwise we should free the sk_buffer, the device
 	 * should be doing the rest of the work now.
 	 */
-	if (priv_bcn->guardian_urb == urb) {
-		usb_submit_urb(priv_bcn->urb, GFP_ATOMIC);
-	} else if (priv_bcn->urb == urb) {
+	if (bcn_priv->guardian_urb == urb) {
+		usb_submit_urb(bcn_priv->urb, GFP_ATOMIC);
+	} else if (bcn_priv->urb == urb) {
 		dev_kfree_skb(entry->skb);
 		entry->skb = NULL;
 	}
@@ -1384,23 +1462,10 @@ static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev)
 #ifdef CONFIG_RT2500USB_LEDS
 	value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE);
 
-	rt2x00dev->led_radio.rt2x00dev = rt2x00dev;
-	rt2x00dev->led_radio.type = LED_TYPE_RADIO;
-	rt2x00dev->led_radio.led_dev.brightness_set =
-	    rt2500usb_brightness_set;
-	rt2x00dev->led_radio.led_dev.blink_set =
-	    rt2500usb_blink_set;
-	rt2x00dev->led_radio.flags = LED_INITIALIZED;
-
-	if (value == LED_MODE_TXRX_ACTIVITY) {
-		rt2x00dev->led_qual.rt2x00dev = rt2x00dev;
-		rt2x00dev->led_qual.type = LED_TYPE_ACTIVITY;
-		rt2x00dev->led_qual.led_dev.brightness_set =
-		    rt2500usb_brightness_set;
-		rt2x00dev->led_qual.led_dev.blink_set =
-		    rt2500usb_blink_set;
-		rt2x00dev->led_qual.flags = LED_INITIALIZED;
-	}
+	rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO);
+	if (value == LED_MODE_TXRX_ACTIVITY)
+		rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_qual,
+				   LED_TYPE_ACTIVITY);
 #endif /* CONFIG_RT2500USB_LEDS */
 
 	/*
@@ -1587,13 +1652,12 @@ static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
 	rt2x00dev->hw->flags =
 	    IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE |
 	    IEEE80211_HW_RX_INCLUDES_FCS |
-	    IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING;
+	    IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+	    IEEE80211_HW_SIGNAL_DBM;
+
 	rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE;
-	rt2x00dev->hw->max_signal = MAX_SIGNAL;
-	rt2x00dev->hw->max_rssi = MAX_RX_SSI;
-	rt2x00dev->hw->queues = 2;
 
-	SET_IEEE80211_DEV(rt2x00dev->hw, &rt2x00dev_usb(rt2x00dev)->dev);
+	SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
 	SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
 				rt2x00_eeprom_addr(rt2x00dev,
 						   EEPROM_MAC_ADDR_0));
@@ -1671,97 +1735,6 @@ static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
 	return 0;
 }
 
-/*
- * IEEE80211 stack callback functions.
- */
-static int rt2500usb_beacon_update(struct ieee80211_hw *hw,
-				   struct sk_buff *skb,
-				   struct ieee80211_tx_control *control)
-{
-	struct rt2x00_dev *rt2x00dev = hw->priv;
-	struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev);
-	struct rt2x00_intf *intf = vif_to_intf(control->vif);
-	struct queue_entry_priv_usb_bcn *priv_bcn;
-	struct skb_frame_desc *skbdesc;
-	int pipe = usb_sndbulkpipe(usb_dev, 1);
-	int length;
-	u16 reg;
-
-	if (unlikely(!intf->beacon))
-		return -ENOBUFS;
-
-	priv_bcn = intf->beacon->priv_data;
-
-	/*
-	 * Add the descriptor in front of the skb.
-	 */
-	skb_push(skb, intf->beacon->queue->desc_size);
-	memset(skb->data, 0, intf->beacon->queue->desc_size);
-
-	/*
-	 * Fill in skb descriptor
-	 */
-	skbdesc = get_skb_frame_desc(skb);
-	memset(skbdesc, 0, sizeof(*skbdesc));
-	skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED;
-	skbdesc->data = skb->data + intf->beacon->queue->desc_size;
-	skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
-	skbdesc->desc = skb->data;
-	skbdesc->desc_len = intf->beacon->queue->desc_size;
-	skbdesc->entry = intf->beacon;
-
-	/*
-	 * Disable beaconing while we are reloading the beacon data,
-	 * otherwise we might be sending out invalid data.
-	 */
-	rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
-	rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
-	rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
-	rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
-	rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
-
-	/*
-	 * mac80211 doesn't provide the control->queue variable
-	 * for beacons. Set our own queue identification so
-	 * it can be used during descriptor initialization.
-	 */
-	control->queue = RT2X00_BCN_QUEUE_BEACON;
-	rt2x00lib_write_tx_desc(rt2x00dev, skb, control);
-
-	/*
-	 * USB devices cannot blindly pass the skb->len as the
-	 * length of the data to usb_fill_bulk_urb. Pass the skb
-	 * to the driver to determine what the length should be.
-	 */
-	length = rt2500usb_get_tx_data_len(rt2x00dev, skb);
-
-	usb_fill_bulk_urb(priv_bcn->urb, usb_dev, pipe,
-			  skb->data, length, rt2500usb_beacondone,
-			  intf->beacon);
-
-	/*
-	 * Second we need to create the guardian byte.
-	 * We only need a single byte, so lets recycle
-	 * the 'flags' field we are not using for beacons.
-	 */
-	priv_bcn->guardian_data = 0;
-	usb_fill_bulk_urb(priv_bcn->guardian_urb, usb_dev, pipe,
-			  &priv_bcn->guardian_data, 1, rt2500usb_beacondone,
-			  intf->beacon);
-
-	/*
-	 * Send out the guardian byte.
-	 */
-	usb_submit_urb(priv_bcn->guardian_urb, GFP_ATOMIC);
-
-	/*
-	 * Enable beacon generation.
-	 */
-	rt2500usb_kick_tx_queue(rt2x00dev, control->queue);
-
-	return 0;
-}
-
 static const struct ieee80211_ops rt2500usb_mac80211_ops = {
 	.tx			= rt2x00mac_tx,
 	.start			= rt2x00mac_start,
@@ -1775,7 +1748,6 @@ static const struct ieee80211_ops rt2500usb_mac80211_ops = {
 	.bss_info_changed	= rt2x00mac_bss_info_changed,
 	.conf_tx		= rt2x00mac_conf_tx,
 	.get_tx_stats		= rt2x00mac_get_tx_stats,
-	.beacon_update		= rt2500usb_beacon_update,
 };
 
 static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
@@ -1790,6 +1762,7 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
 	.link_tuner		= rt2500usb_link_tuner,
 	.write_tx_desc		= rt2500usb_write_tx_desc,
 	.write_tx_data		= rt2x00usb_write_tx_data,
+	.write_beacon		= rt2500usb_write_beacon,
 	.get_tx_data_len	= rt2500usb_get_tx_data_len,
 	.kick_tx_queue		= rt2500usb_kick_tx_queue,
 	.fill_rxdone		= rt2500usb_fill_rxdone,
@@ -1803,14 +1776,14 @@ static const struct data_queue_desc rt2500usb_queue_rx = {
 	.entry_num		= RX_ENTRIES,
 	.data_size		= DATA_FRAME_SIZE,
 	.desc_size		= RXD_DESC_SIZE,
-	.priv_size		= sizeof(struct queue_entry_priv_usb_rx),
+	.priv_size		= sizeof(struct queue_entry_priv_usb),
 };
 
 static const struct data_queue_desc rt2500usb_queue_tx = {
 	.entry_num		= TX_ENTRIES,
 	.data_size		= DATA_FRAME_SIZE,
 	.desc_size		= TXD_DESC_SIZE,
-	.priv_size		= sizeof(struct queue_entry_priv_usb_tx),
+	.priv_size		= sizeof(struct queue_entry_priv_usb),
 };
 
 static const struct data_queue_desc rt2500usb_queue_bcn = {
@@ -1824,7 +1797,7 @@ static const struct data_queue_desc rt2500usb_queue_atim = {
 	.entry_num		= ATIM_ENTRIES,
 	.data_size		= DATA_FRAME_SIZE,
 	.desc_size		= TXD_DESC_SIZE,
-	.priv_size		= sizeof(struct queue_entry_priv_usb_tx),
+	.priv_size		= sizeof(struct queue_entry_priv_usb),
 };
 
 static const struct rt2x00_ops rt2500usb_ops = {
@@ -1833,6 +1806,7 @@ static const struct rt2x00_ops rt2500usb_ops = {
 	.max_ap_intf	= 1,
 	.eeprom_size	= EEPROM_SIZE,
 	.rf_size	= RF_SIZE,
+	.tx_queues	= NUM_TX_QUEUES,
 	.rx		= &rt2500usb_queue_rx,
 	.tx		= &rt2500usb_queue_tx,
 	.bcn		= &rt2500usb_queue_bcn,